Understanding the Basics: A Guide to Biosafety Levels meaning Kumar Jeetendra | September 21, 2023 Researchers, the environment, and the general public are shielded from exposure to potentially harmful biological agents like bacteria, viruses, and toxins by a set of containment procedures known as the Biosafety Levels (BSL). BSL-1 is the lowest risk level, and BSL-4 is the highest risk level. The four primary biosafety levels are described here: BSL-1: …
